
#ifndef header_gard 

#define header_gaed 1 

#include<stdio.h>
#include<stdlib.h>
#include<limits.h>
# define MAXLINE 50

int mystrcasecmp(const char *str1, const char *str2 );
int mystrncmp (const char *, const char * ,int );

char * mystrncat (char *dest, const char *src, int n);
char * mystrncpy (char *dest, const char *src, int n);

char * mystrrchr (const char *src ,int c );
char * mystrstr (const char *main, const char *sub);

int  mystrspn ( const char * main , const char * sub);
int  mystrcspn ( const char * main , const char * sub);
char * mystrtok (char *str, char *delim);

int valid_no(char *line);
int mystrlen (char *s);
int myatoi (char *s);					

int  get_string (char *line, char ** string );

void do_get_string (char *line,char **s);
int do_valid_no (char *line);



#endif 
